Knowledge Base

Lighting Parameter Glossary & Compliance Standards

Complete parameter explanations + global compliance standards — everything you need for professional lighting selection.

Luminous Flux
Luminous Flux
Total visible light energy emitted by a light source per unit time, reflecting o...
Luminous Efficacy
Luminous Efficacy
Luminous flux produced per watt of electrical power, measuring energy efficiency
CCT
CCT
Describes the warmth or coolness of light color
CRI
CRI
A light source ability to accurately reproduce the true colors of objects, rated...
Ra
Ra
Average of R1-R8 values in the Color Rendering Index
Illuminance
Illuminance
Luminous flux received per unit area
🔍